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121120101020202 = 23191346378916811
BaseRepresentation
bin11011100010100001111000…
…100110001011001000101010
3120212211222011002110102120220
4123202201320212023020222
5111333412431330121302
61105333450053030510
734340432004600144
oct3342417046131052
9525758132412526
10121120101020202
1135657823482199
1211701a78925436
1352777657bc82b
1421ca35bdd7c94
15e00929b794bc
hex6e287898b22a

121120101020202 has 32 divisors (see below), whose sum is σ = 255008629624320. Its totient is φ = 38245611463920.

The previous prime is 121120101020159. The next prime is 121120101020231. The reversal of 121120101020202 is 202020101021121.

It is a super-2 number, since 2×1211201010202022 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37923624 + ... + 40993187.

It is an arithmetic number, because the mean of its divisors is an integer number (7969019675760).

Almost surely, 2121120101020202 is an apocalyptic number.

121120101020202 is an abundant number, since it is smaller than the sum of its proper divisors (133888528604118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121120101020202 is a wasteful number, since it uses less digits than its factorization.

121120101020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78930298.

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

Adding to 121120101020202 its reverse (202020101021121), we get a palindrome (323140202041323).

The spelling of 121120101020202 in words is "one hundred twenty-one trillion, one hundred twenty billion, one hundred one million, twenty thousand, two hundred two".

Divisors: 1 2 3 6 19 38 57 114 13463 26926 40389 80778 255797 511594 767391 1534782 78916811 157833622 236750433 473500866 1499419409 2998838818 4498258227 8996516454 1062457026493 2124914052986 3187371079479 6374742158958 20186683503367 40373367006734 60560050510101 121120101020202