121010213102 has 4 divisors (see below), whose sum is σ = 181515319656. Its totient is φ = 60505106550.

The previous prime is 121010213089. The next prime is 121010213111. The reversal of 121010213102 is 201312010121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201312010121 = 369023 ⋅545527.

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, 30252553274 + ... + 30252553277.

It is an arithmetic number, because the mean of its divisors is an integer number (45378829914).

Almost surely, 2^121010213102 is an apocalyptic number.

121010213102 is a deficient number, since it is larger than the sum of its proper divisors (60505106554).

121010213102 is an equidigital number, since it uses as much as digits as its factorization.

121010213102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60505106553.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 121010213102 its reverse (201312010121), we get a palindrome (322322223223).

The spelling of 121010213102 in words is "one hundred twenty-one billion, ten million, two hundred thirteen thousand, one hundred two".