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121201000022210 = 25101227983537781
BaseRepresentation
bin11011100011101101001110…
…100011011000000011000010
3120220010200222002012112111112
4123203231032203120003002
5111341224122001202320
61105434545403243322
734346324524012643
oct3343551643300302
9526120862175445
10121201000022210
1135689067899839
1211715695819542
135282288c5b9a4
1421d023430d6ca
15e02ab2028ec5
hex6e3b4e8d80c2

121201000022210 has 64 divisors (see below), whose sum is σ = 221517929896704. Its totient is φ = 47740236384000.

The previous prime is 121201000022209. The next prime is 121201000022227. The reversal of 121201000022210 is 12220000102121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225103520 + ... + 225641300.

It is an arithmetic number, because the mean of its divisors is an integer number (3461217654636).

Almost surely, 2121201000022210 is an apocalyptic number.

121201000022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121201000022210 is a deficient number, since it is larger than the sum of its proper divisors (100316929874494).

121201000022210 is a wasteful number, since it uses less digits than its factorization.

121201000022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539099.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121201000022210 its reverse (12220000102121), we get a palindrome (133421000124331).

The spelling of 121201000022210 in words is "one hundred twenty-one trillion, two hundred one billion, twenty-two thousand, two hundred ten".

Divisors: 1 2 5 10 101 202 227 454 505 983 1010 1135 1966 2270 4915 9830 22927 45854 99283 114635 198566 223141 229270 446282 496415 537781 992830 1075562 1115705 2231410 2688905 5377810 22537241 45074482 54315881 108631762 112686205 122076287 225372410 244152574 271579405 528638723 543158810 610381435 1057277446 1220762870 2643193615 5286387230 12329704987 24659409974 53392511023 61648524935 106785022046 120000990121 123297049870 240001980242 266962555115 533925110230 600004950605 1200009901210 12120100002221 24240200004442 60600500011105 121201000022210