101122021221002 has 4 divisors (see below), whose sum is σ = 151683031831506. Its totient is φ = 50561010610500.

The previous prime is 101122021220929. The next prime is 101122021221073. The reversal of 101122021221002 is 200122120221101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 76054986344401 + 25067034876601 = 8720951^2 + 5006699^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25280505305249 + ... + 25280505305252.

Almost surely, 2^{101122021221002} is an apocalyptic number.

101122021221002 is a deficient number, since it is larger than the sum of its proper divisors (50561010610504).

101122021221002 is an equidigital number, since it uses as much as digits as its factorization.

101122021221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50561010610503.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101122021221002 its reverse (200122120221101), we get a palindrome (301244141442103).

Subtracting 101122021221002 from its reverse (200122120221101), we obtain a palindrome (99000099000099).

The spelling of 101122021221002 in words is "one hundred one trillion, one hundred twenty-two billion, twenty-one million, two hundred twenty-one thousand, two".