101021002221290 has 32 divisors (see below), whose sum is σ = 192534755721984. Its totient is φ = 38031315575040.

The previous prime is 101021002221289. The next prime is 101021002221311. The reversal of 101021002221290 is 92122200120101.

It is a super-2 number, since 2×101021002221290² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67379387 + ... + 68862353.

It is an arithmetic number, because the mean of its divisors is an integer number (6016711116312).

Almost surely, 2^{101021002221290} is an apocalyptic number.

101021002221290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101021002221290 is a deficient number, since it is larger than the sum of its proper divisors (91513753500694).

101021002221290 is a wasteful number, since it uses less digits than its factorization.

101021002221290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883702.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 101021002221290 its reverse (92122200120101), we get a palindrome (193143202341391).

The spelling of 101021002221290 in words is "one hundred one trillion, twenty-one billion, two million, two hundred twenty-one thousand, two hundred ninety".