10111212010122 has 16 divisors (see below), whose sum is σ = 21411978374592. Its totient is φ = 3172144944320.

The previous prime is 10111212010117. The next prime is 10111212010187. The reversal of 10111212010122 is 22101021211101.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49564764654 + ... + 49564764857.

It is an arithmetic number, because the mean of its divisors is an integer number (1338248648412).

Almost surely, 2^{10111212010122} is an apocalyptic number.

10111212010122 is an abundant number, since it is smaller than the sum of its proper divisors (11300766364470).

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

10111212010122 is a wasteful number, since it uses less digits than its factorization.

10111212010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99129529533.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10111212010122 its reverse (22101021211101), we get a palindrome (32212233221223).

The spelling of 10111212010122 in words is "ten trillion, one hundred eleven billion, two hundred twelve million, ten thousand, one hundred twenty-two".