101221020210022 has 4 divisors (see below), whose sum is σ = 151831530315036. Its totient is φ = 50610510105010.

The previous prime is 101221020210007. The next prime is 101221020210043. The reversal of 101221020210022 is 220012020122101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 101221020209978 and 101221020210005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25305255052504 + ... + 25305255052507.

It is an arithmetic number, because the mean of its divisors is an integer number (37957882578759).

Almost surely, 2^{101221020210022} is an apocalyptic number.

101221020210022 is a deficient number, since it is larger than the sum of its proper divisors (50610510105014).

101221020210022 is an equidigital number, since it uses as much as digits as its factorization.

101221020210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50610510105013.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101221020210022 its reverse (220012020122101), we get a palindrome (321233040332123).

The spelling of 101221020210022 in words is "one hundred one trillion, two hundred twenty-one billion, twenty million, two hundred ten thousand, twenty-two".