101211020002 has 4 divisors (see below), whose sum is σ = 151816530006. Its totient is φ = 50605510000.

The previous prime is 101211019999. The next prime is 101211020039. The reversal of 101211020002 is 200020112101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200020112101 = 32029 ⋅6244969.

It can be written as a sum of positive squares in only one way, i.e., 62319630321 + 38891389681 = 249639^2 + 197209^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25302754999 + ... + 25302755002.

Almost surely, 2^101211020002 is an apocalyptic number.

101211020002 is a deficient number, since it is larger than the sum of its proper divisors (50605510004).

101211020002 is an equidigital number, since it uses as much as digits as its factorization.

101211020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50605510003.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 101211020002 its reverse (200020112101), we get a palindrome (301231132103).

The spelling of 101211020002 in words is "one hundred one billion, two hundred eleven million, twenty thousand, two".