35221121100 has 108 divisors (see below), whose sum is σ = 120434921880. Its totient is φ = 8538451200.

The previous prime is 35221121099. The next prime is 35221121129. The reversal of 35221121100 is 112112253.

35221121100 is a `hidden beast` number, since 352 + 211 + 2 + 1 + 100 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1768945 + ... + 1788744.

Almost surely, 2^35221121100 is an apocalyptic number.

35221121100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

35221121100 is an abundant number, since it is smaller than the sum of its proper divisors (85213800780).

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

35221121100 is a wasteful number, since it uses less digits than its factorization.

35221121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3557720 (or 3557710 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 35221121100 its reverse (112112253), we get a palindrome (35333233353).

The spelling of 35221121100 in words is "thirty-five billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred".