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202111000100011 = 238787434786957
BaseRepresentation
bin101101111101000110100010…
…010111011011110010101011
3222111121121211002202020012201
4231331012202113123302223
5202442341312011200021
61553504302303521031
760400015665151522
oct5575064227336253
9874547732666181
10202111000100011
1159442880596182
121a802570bb9177
1388a0ca72939b2
1437ca32042d4b9
151857586d65591
hexb7d1a25dbcab

202111000100011 has 4 divisors (see below), whose sum is σ = 210898434886992. Its totient is φ = 193323565313032.

The previous prime is 202111000099961. The next prime is 202111000100017. The reversal of 202111000100011 is 110001000111202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202111000100011 - 215 = 202111000067243 is a prime.

It is a super-2 number, since 2×2021110001000112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202111000100017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4393717393456 + ... + 4393717393501.

It is an arithmetic number, because the mean of its divisors is an integer number (52724608721748).

Almost surely, 2202111000100011 is an apocalyptic number.

202111000100011 is a deficient number, since it is larger than the sum of its proper divisors (8787434786981).

202111000100011 is an equidigital number, since it uses as much as digits as its factorization.

202111000100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8787434786980.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 202111000100011 its reverse (110001000111202), we get a palindrome (312112000211213).

The spelling of 202111000100011 in words is "two hundred two trillion, one hundred eleven billion, one hundred thousand, eleven".

Divisors: 1 23 8787434786957 202111000100011