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101220010212021 = 355147611819381
BaseRepresentation
bin10111000000111100011110…
…110000001011101010110101
3111021101112112112202201202220
4113000330132300023222311
5101231342040103241041
6555135455235352553
730214622132633661
oct2700743660135265
9437345475681686
10101220010212021
112a28518aa67778
12b429148752759
13446301027279c
141add108b1d8a1
15ba7e71091d66
hex5c0f1ec0bab5

101220010212021 has 8 divisors (see below), whose sum is σ = 134962461114144. Its totient is φ = 67478783058960.

The previous prime is 101220010212019. The next prime is 101220010212053. The reversal of 101220010212021 is 120212010022101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101220010212021 - 21 = 101220010212019 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101220010212001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305744250 + ... + 306075131.

It is an arithmetic number, because the mean of its divisors is an integer number (16870307639268).

Almost surely, 2101220010212021 is an apocalyptic number.

It is an amenable number.

101220010212021 is a deficient number, since it is larger than the sum of its proper divisors (33742450902123).

101220010212021 is an equidigital number, since it uses as much as digits as its factorization.

101220010212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611874531.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101220010212021 its reverse (120212010022101), we get a palindrome (221432020234122).

The spelling of 101220010212021 in words is "one hundred one trillion, two hundred twenty billion, ten million, two hundred twelve thousand, twenty-one".

Divisors: 1 3 55147 165441 611819381 1835458143 33740003404007 101220010212021