101222111121010 has 64 divisors (see below), whose sum is σ = 200736160412544. Its totient is φ = 36442735168000.

The previous prime is 101222111120993. The next prime is 101222111121049. The reversal of 101222111121010 is 10121111222101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 630378894 + ... + 630539446.

It is an arithmetic number, because the mean of its divisors is an integer number (3136502506446).

Almost surely, 2^{101222111121010} is an apocalyptic number.

101222111121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101222111121010 is a deficient number, since it is larger than the sum of its proper divisors (99514049291534).

101222111121010 is a wasteful number, since it uses less digits than its factorization.

101222111121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217419.

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

Adding to 101222111121010 its reverse (10121111222101), we get a palindrome (111343222343111).

The spelling of 101222111121010 in words is "one hundred one trillion, two hundred twenty-two billion, one hundred eleven million, one hundred twenty-one thousand, ten".