21220210101002 has 32 divisors (see below), whose sum is σ = 34768976155200. Its totient is φ = 9633052598400.

The previous prime is 21220210100981. The next prime is 21220210101023. The reversal of 21220210101002 is 20010101202212.

It is an interprime number because it is at equal distance from previous prime (21220210100981) and next prime (21220210101023).

It is a super-2 number, since 2×21220210101002² (a number of 27 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, 481609649 + ... + 481653707.

It is an arithmetic number, because the mean of its divisors is an integer number (1086530504850).

Almost surely, 2^{21220210101002} is an apocalyptic number.

21220210101002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21220210101002 is a deficient number, since it is larger than the sum of its proper divisors (13548766054198).

21220210101002 is a wasteful number, since it uses less digits than its factorization.

21220210101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71942.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21220210101002 its reverse (20010101202212), we get a palindrome (41230311303214).

The spelling of 21220210101002 in words is "twenty-one trillion, two hundred twenty billion, two hundred ten million, one hundred one thousand, two".