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122011000112021 = 2331387134420309
BaseRepresentation
bin11011101111011111100110…
…010100100000001110010101
3121000000010201101021110210212
4123233133212110200032111
5111443012012012041041
61111255025112255205
734462001216122526
oct3357374624401625
9530003641243725
10122011000112021
1135970635819a69
12118266710a1505
135310784927667
14221b51481c84d
15e18bbd1e58eb
hex6ef7e6520395

122011000112021 has 16 divisors (see below), whose sum is σ = 131426212869120. Its totient is φ = 112938515775360.

The previous prime is 122011000111993. The next prime is 122011000112059. The reversal of 122011000112021 is 120211000110221.

It is a cyclic number.

It is not a de Polignac number, because 122011000112021 - 210 = 122011000110997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122011000111987 and 122011000112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011000117021) 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, 25392215 + ... + 29812523.

It is an arithmetic number, because the mean of its divisors is an integer number (8214138304320).

Almost surely, 2122011000112021 is an apocalyptic number.

It is an amenable number.

122011000112021 is a deficient number, since it is larger than the sum of its proper divisors (9415212757099).

122011000112021 is a wasteful number, since it uses less digits than its factorization.

122011000112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4459076.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122011000112021 its reverse (120211000110221), we get a palindrome (242222000222242).

The spelling of 122011000112021 in words is "one hundred twenty-two trillion, eleven billion, one hundred twelve thousand, twenty-one".

Divisors: 1 23 31 713 38713 890399 1200103 4420309 27602369 101667107 137029579 3151680317 171123422317 3935838713291 5304826091827 122011000112021