20101211001202 has 8 divisors (see below), whose sum is σ = 31191534312300. Its totient is φ = 9704032897104.

The previous prime is 20101211001187. The next prime is 20101211001211. The reversal of 20101211001202 is 20210011210102.

It can be written as a sum of positive squares in 2 ways, for example, as 18724322319921 + 1376888681281 = 4327161^2 + 1173409^2 .

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

It is a super-2 number, since 2×20101211001202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173286301677 + ... + 173286301792.

Almost surely, 2^{20101211001202} is an apocalyptic number.

20101211001202 is a deficient number, since it is larger than the sum of its proper divisors (11090323311098).

20101211001202 is a wasteful number, since it uses less digits than its factorization.

20101211001202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346572603500.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20101211001202 its reverse (20210011210102), we get a palindrome (40311222211304).

The spelling of 20101211001202 in words is "twenty trillion, one hundred one billion, two hundred eleven million, one thousand, two hundred two".