101221120212202 has 16 divisors (see below), whose sum is σ = 155031996169512. Its totient is φ = 49547930960320.

The previous prime is 101221120212167. The next prime is 101221120212211. The reversal of 101221120212202 is 202212021122101.

It can be written as a sum of positive squares in 4 ways, for example, as 79146448952041 + 22074671260161 = 8896429^2 + 4698369^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101221120212202.

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, 1035652033 + ... + 1035749764.

Almost surely, 2^{101221120212202} is an apocalyptic number.

101221120212202 is a deficient number, since it is larger than the sum of its proper divisors (53810875957310).

101221120212202 is a wasteful number, since it uses less digits than its factorization.

101221120212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071402313.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 101221120212202 its reverse (202212021122101), we get a palindrome (303433141334303).

The spelling of 101221120212202 in words is "one hundred one trillion, two hundred twenty-one billion, one hundred twenty million, two hundred twelve thousand, two hundred two".