1010211221010 has 32 divisors (see below), whose sum is σ = 2508110619840. Its totient is φ = 260100360128.

The previous prime is 1010211220999. The next prime is 1010211221017. The reversal of 1010211221010 is 101221120101.

It is a super-2 number, since 2×1010211221010² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1010211221017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 580580292 + ... + 580582031.

It is an arithmetic number, because the mean of its divisors is an integer number (78378456870).

Almost surely, 2^{1010211221010} is an apocalyptic number.

1010211221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1010211221010 is an abundant number, since it is smaller than the sum of its proper divisors (1497899398830).

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

1010211221010 is a wasteful number, since it uses less digits than its factorization.

1010211221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161162362.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1010211221010 its reverse (101221120101), we get a palindrome (1111432341111).

The spelling of 1010211221010 in words is "one trillion, ten billion, two hundred eleven million, two hundred twenty-one thousand, ten".