10021121102 has 4 divisors (see below), whose sum is σ = 15031681656. Its totient is φ = 5010560550.

The previous prime is 10021121029. The next prime is 10021121153. The reversal of 10021121102 is 20112112001.

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

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, 2505280274 + ... + 2505280277.

It is an arithmetic number, because the mean of its divisors is an integer number (3757920414).

Almost surely, 2^10021121102 is an apocalyptic number.

10021121102 is a deficient number, since it is larger than the sum of its proper divisors (5010560554).

10021121102 is an equidigital number, since it uses as much as digits as its factorization.

10021121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010560553.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10021121102 its reverse (20112112001), we get a palindrome (30133233103).

The spelling of 10021121102 in words is "ten billion, twenty-one million, one hundred twenty-one thousand, one hundred two".