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101220011120111 = 1317523875734417
BaseRepresentation
bin10111000000111100011110…
…110011101001010111101111
3111021101112112121110212102212
4113000330132303221113233
5101231342040321320421
6555135455311041035
730214622143435322
oct2700743663512757
9437345477425385
10101220011120111
112a285190527a64
12b429148b1017b
1344630104ccc10
141add108cb87b9
15ba7e711c0e5b
hex5c0f1ece95ef

101220011120111 has 16 divisors (see below), whose sum is σ = 115638978428064. Its totient is φ = 87769606109184.

The previous prime is 101220011120101. The next prime is 101220011120149. The reversal of 101220011120111 is 111021110022101.

It is a cyclic number.

It is not a de Polignac number, because 101220011120111 - 226 = 101219944011247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101220011120101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437751626 + ... + 437982791.

It is an arithmetic number, because the mean of its divisors is an integer number (7227436151754).

Almost surely, 2101220011120111 is an apocalyptic number.

101220011120111 is a deficient number, since it is larger than the sum of its proper divisors (14418967307953).

101220011120111 is a wasteful number, since it uses less digits than its factorization.

101220011120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875734970.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101220011120111 its reverse (111021110022101), we get a palindrome (212241121142212).

The spelling of 101220011120111 in words is "one hundred one trillion, two hundred twenty billion, eleven million, one hundred twenty thousand, one hundred eleven".

Divisors: 1 13 17 221 523 6799 8891 115583 875734417 11384547421 14887485089 193537306157 458009100091 5954118301183 7786154701547 101220011120111