10221010101010 has 16 divisors (see below), whose sum is σ = 18397972567872. Its totient is φ = 4088369732400.

The previous prime is 10221010100993. The next prime is 10221010101019. The reversal of 10221010101010 is 1010101012201.

It is a super-3 number, since 3×10221010101010³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

10221010101010 is a modest number, since divided by 10101010 gives 102210 as remainder.

It is not an unprimeable number, because it can be changed into a prime (10221010101019) 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, 3019356 + ... + 5436775.

It is an arithmetic number, because the mean of its divisors is an integer number (1149873285492).

Almost surely, 2^{10221010101010} is an apocalyptic number.

10221010101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10221010101010 is a deficient number, since it is larger than the sum of its proper divisors (8176962466862).

10221010101010 is a wasteful number, since it uses less digits than its factorization.

10221010101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8577009.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10221010101010 its reverse (1010101012201), we get a palindrome (11231111113211).

The spelling of 10221010101010 in words is "ten trillion, two hundred twenty-one billion, ten million, one hundred one thousand, ten".