10101220121222 has 32 divisors (see below), whose sum is σ = 15732037603584. Its totient is φ = 4859116272000.

The previous prime is 10101220121221. The next prime is 10101220121273. The reversal of 10101220121222 is 22212102210101.

It is a self number, because there is not a number n which added to its sum of digits gives 10101220121222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101220121221) 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, 297103928 + ... + 297137924.

It is an arithmetic number, because the mean of its divisors is an integer number (491626175112).

Almost surely, 2^{10101220121222} is an apocalyptic number.

10101220121222 is a deficient number, since it is larger than the sum of its proper divisors (5630817482362).

10101220121222 is a wasteful number, since it uses less digits than its factorization.

10101220121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61904.

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

Adding to 10101220121222 its reverse (22212102210101), we get a palindrome (32313322331323).

The spelling of 10101220121222 in words is "ten trillion, one hundred one billion, two hundred twenty million, one hundred twenty-one thousand, two hundred twenty-two".