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101210212221031 is a prime number
BaseRepresentation
bin10111000000110011010110…
…101111110100000001100111
3111021100121020201010012220201
4113000303112233310001213
5101231212003312033111
6555131155110411331
730214124260244404
oct2700632657640147
9437317221105821
10101210212221031
112a281012288061
12b427273360b47
13446210b393b94
141adc8597432ab
15ba7a9acd86c1
hex5c0cd6bf4067

101210212221031 has 2 divisors, whose sum is σ = 101210212221032. Its totient is φ = 101210212221030.

The previous prime is 101210212220993. The next prime is 101210212221073. The reversal of 101210212221031 is 130122212012101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101210212221031 - 29 = 101210212220519 is a prime.

It is a super-2 number, since 2×1012102122210312 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101210212921031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605106110515 + 50605106110516.

It is an arithmetic number, because the mean of its divisors is an integer number (50605106110516).

Almost surely, 2101210212221031 is an apocalyptic number.

101210212221031 is a deficient number, since it is larger than the sum of its proper divisors (1).

101210212221031 is an equidigital number, since it uses as much as digits as its factorization.

101210212221031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 101210212221031 its reverse (130122212012101), we get a palindrome (231332424233132).

The spelling of 101210212221031 in words is "one hundred one trillion, two hundred ten billion, two hundred twelve million, two hundred twenty-one thousand, thirty-one".