10202211021 has 48 divisors (see below), whose sum is σ = 14351039808. Its totient is φ = 6444748800.

The previous prime is 10202210999. The next prime is 10202211043. The reversal of 10202211021 is 12011220201.

It is an interprime number because it is at equal distance from previous prime (10202210999) and next prime (10202211043).

It is not a de Polignac number, because 10202211021 - 2⁶ = 10202210957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10202210988 and 10202211006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202231021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48351606 + ... + 48351816.

It is an arithmetic number, because the mean of its divisors is an integer number (298979996).

Almost surely, 2^10202211021 is an apocalyptic number.

It is an amenable number.

10202211021 is a deficient number, since it is larger than the sum of its proper divisors (4148828787).

10202211021 is a wasteful number, since it uses less digits than its factorization.

10202211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10202211021 its reverse (12011220201), we get a palindrome (22213431222).

The spelling of 10202211021 in words is "ten billion, two hundred two million, two hundred eleven thousand, twenty-one".