21000001131010 has 32 divisors (see below), whose sum is σ = 41801247597312. Its totient is φ = 7531756318080.

The previous prime is 21000001130971. The next prime is 21000001131049. The reversal of 21000001131010 is 1013110000012.

It is an interprime number because it is at equal distance from previous prime (21000001130971) and next prime (21000001131049).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1307588554 + ... + 1307604613.

It is an arithmetic number, because the mean of its divisors is an integer number (1306288987416).

Almost surely, 2^{21000001131010} is an apocalyptic number.

21000001131010 is a deficient number, since it is larger than the sum of its proper divisors (20801246466302).

21000001131010 is a wasteful number, since it uses less digits than its factorization.

21000001131010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615193258.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 21000001131010 its reverse (1013110000012), we get a palindrome (22013111131022).

The spelling of 21000001131010 in words is "twenty-one trillion, one million, one hundred thirty-one thousand, ten".