1210013202021 has 8 divisors (see below), whose sum is σ = 1737454854240. Its totient is φ = 744623508912.

The previous prime is 1210013202007. The next prime is 1210013202053. The reversal of 1210013202021 is 1202023100121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1210013202021 - 2⁷ = 1210013201893 is a prime.

It is a super-2 number, since 2×1210013202021² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210013302021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15512989731 + ... + 15512989808.

It is an arithmetic number, because the mean of its divisors is an integer number (217181856780).

Almost surely, 2^{1210013202021} is an apocalyptic number.

It is an amenable number.

1210013202021 is a deficient number, since it is larger than the sum of its proper divisors (527441652219).

1210013202021 is a wasteful number, since it uses less digits than its factorization.

1210013202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31025979555.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1210013202021 its reverse (1202023100121), we get a palindrome (2412036302142).

The spelling of 1210013202021 in words is "one trillion, two hundred ten billion, thirteen million, two hundred two thousand, twenty-one".