202120101221102 has 24 divisors (see below), whose sum is σ = 320417169898896. Its totient is φ = 95442513264384.

The previous prime is 202120101221083. The next prime is 202120101221177. The reversal of 202120101221102 is 201122101021202.

It is a super-4 number, since 4×202120101221102⁴ (a number of 58 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 351733043 + ... + 352307214.

It is an arithmetic number, because the mean of its divisors is an integer number (13350715412454).

Almost surely, 2^{202120101221102} is an apocalyptic number.

202120101221102 is a deficient number, since it is larger than the sum of its proper divisors (118297068677794).

202120101221102 is an equidigital number, since it uses as much as digits as its factorization.

202120101221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704040440 (or 704040361 counting only the distinct ones).

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

Adding to 202120101221102 its reverse (201122101021202), we get a palindrome (403242202242304).

The spelling of 202120101221102 in words is "two hundred two trillion, one hundred twenty billion, one hundred one million, two hundred twenty-one thousand, one hundred two".