101211220002 has 16 divisors (see below), whose sum is σ = 202437688032. Its totient is φ = 33734532000.

The previous prime is 101211219971. The next prime is 101211220003. The reversal of 101211220002 is 200022112101.

It is a super-2 number, since 2×101211220002² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101211220002.

It is not an unprimeable number, because it can be changed into a prime (101211220003) 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, 548124 + ... + 709127.

It is an arithmetic number, because the mean of its divisors is an integer number (12652355502).

Almost surely, 2^101211220002 is an apocalyptic number.

101211220002 is an abundant number, since it is smaller than the sum of its proper divisors (101226468030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101211220002 is a wasteful number, since it uses less digits than its factorization.

101211220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270673.

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

Adding to 101211220002 its reverse (200022112101), we get a palindrome (301233332103).

The spelling of 101211220002 in words is "one hundred one billion, two hundred eleven million, two hundred twenty thousand, two".