30622621101261 has 16 divisors (see below), whose sum is σ = 46868605745664. Its totient is φ = 17421554103984.

The previous prime is 30622621101131. The next prime is 30622621101271. The reversal of 30622621101261 is 16210112622603.

It is not a de Polignac number, because 30622621101261 - 2⁹ = 30622621100749 is a prime.

It is a super-2 number, since 2×30622621101261² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30622621101271) 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, 3211933675 + ... + 3211943208.

It is an arithmetic number, because the mean of its divisors is an integer number (2929287859104).

Almost surely, 2^{30622621101261} is an apocalyptic number.

It is an amenable number.

30622621101261 is a deficient number, since it is larger than the sum of its proper divisors (16245984644403).

30622621101261 is a wasteful number, since it uses less digits than its factorization.

30622621101261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6423877120.

The product of its (nonzero) digits is 10368, while the sum is 33.

Adding to 30622621101261 its reverse (16210112622603), we get a palindrome (46832733723864).

The spelling of 30622621101261 in words is "thirty trillion, six hundred twenty-two billion, six hundred twenty-one million, one hundred one thousand, two hundred sixty-one".