221401102034 has 64 divisors (see below), whose sum is σ = 391699832832. Its totient is φ = 91888171200.

The previous prime is 221401102007. The next prime is 221401102037. The reversal of 221401102034 is 430201104122.

It is a junction number, because it is equal to n+sod(n) for n = 221401101997 and 221401102015.

It is not an unprimeable number, because it can be changed into a prime (221401102037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42322199 + ... + 42327429.

It is an arithmetic number, because the mean of its divisors is an integer number (6120309888).

Almost surely, 2^221401102034 is an apocalyptic number.

221401102034 is a deficient number, since it is larger than the sum of its proper divisors (170298730798).

221401102034 is a wasteful number, since it uses less digits than its factorization.

221401102034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5871.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 221401102034 its reverse (430201104122), we get a palindrome (651602206156).

The spelling of 221401102034 in words is "two hundred twenty-one billion, four hundred one million, one hundred two thousand, thirty-four".