101211221101002 has 16 divisors (see below), whose sum is σ = 202537520359680. Its totient is φ = 33717894007392.

The previous prime is 101211221100991. The next prime is 101211221101007. The reversal of 101211221101002 is 200101122112101.

It is a happy number.

It is a super-2 number, since 2×101211221101002² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101211221101007) 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, 4794911803 + ... + 4794932910.

It is an arithmetic number, because the mean of its divisors is an integer number (12658595022480).

Almost surely, 2^{101211221101002} is an apocalyptic number.

101211221101002 is an abundant number, since it is smaller than the sum of its proper divisors (101326299258678).

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

101211221101002 is a wasteful number, since it uses less digits than its factorization.

101211221101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9589846477.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101211221101002 its reverse (200101122112101), we get a palindrome (301312343213103).

The spelling of 101211221101002 in words is "one hundred one trillion, two hundred eleven billion, two hundred twenty-one million, one hundred one thousand, two".