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202112211122211 = 313173271311041601
BaseRepresentation
bin101101111101000111101010…
…100011000111100000100011
3222111121201221111111112100210
4231331013222203013200203
5202442401302021402321
61553505022404145203
760400061001524505
oct5575075243074043
9874551844445323
10202112211122211
1159443342140075
121a80284a698203
1388a113b147090
1437ca3d71cbd75
15185760832bb76
hexb7d1ea8c7823

202112211122211 has 32 divisors (see below), whose sum is σ = 291997549876032. Its totient is φ = 123612213657600.

The previous prime is 202112211122197. The next prime is 202112211122257. The reversal of 202112211122211 is 112221112211202.

It is not a de Polignac number, because 202112211122211 - 213 = 202112211114019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202112211129211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12783811 + ... + 23825411.

It is an arithmetic number, because the mean of its divisors is an integer number (9124923433626).

Almost surely, 2202112211122211 is an apocalyptic number.

202112211122211 is a deficient number, since it is larger than the sum of its proper divisors (89885338753821).

202112211122211 is a wasteful number, since it uses less digits than its factorization.

202112211122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11044503.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 202112211122211 its reverse (112221112211202), we get a palindrome (314333323333413).

The spelling of 202112211122211 in words is "two hundred two trillion, one hundred twelve billion, two hundred eleven million, one hundred twenty-two thousand, two hundred eleven".

Divisors: 1 3 13 39 173 519 2249 2713 6747 8139 35269 105807 469349 1408047 6101537 11041601 18304611 33124803 143540813 430622439 1910196973 5730590919 24832560649 29955863513 74497681947 89867590539 389426225669 1168278677007 5182364387749 15547093163247 67370737040737 202112211122211