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202210120012121 = 13152419102051743
BaseRepresentation
bin101101111110100010110110…
…010111111001000101011001
3222111222002122221100110211122
4231332202312113321011121
5203001002311210341441
61554022014031335025
760410125164413234
oct5576426627710531
9874862587313748
10202210120012121
115948091515a211
121a819814081475
1388aa44265c170
1437d104463841b
151859e38ba834b
hexb7e8b65f9159

202210120012121 has 8 divisors (see below), whose sum is σ = 217766175486720. Its totient is φ = 186654268945872.

The previous prime is 202210120012111. The next prime is 202210120012169. The reversal of 202210120012121 is 121210021012202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202210120012121 - 26 = 202210120012057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202210120012121.

It is not an unprimeable number, because it can be changed into a prime (202210120012111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49044425 + ... + 53007318.

It is an arithmetic number, because the mean of its divisors is an integer number (27220771935840).

Almost surely, 2202210120012121 is an apocalyptic number.

It is an amenable number.

202210120012121 is a deficient number, since it is larger than the sum of its proper divisors (15556055474599).

202210120012121 is a wasteful number, since it uses less digits than its factorization.

202210120012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102204175.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202210120012121 its reverse (121210021012202), we get a palindrome (323420141024323).

The spelling of 202210120012121 in words is "two hundred two trillion, two hundred ten billion, one hundred twenty million, twelve thousand, one hundred twenty-one".

Divisors: 1 13 152419 1981447 102051743 1326672659 15554624616317 202210120012121