221121120021094 has 16 divisors (see below), whose sum is σ = 331722010882080. Its totient is φ = 110547116942400.

The previous prime is 221121120021083. The next prime is 221121120021101. The reversal of 221121120021094 is 490120021121122.

It is a super-2 number, since 2×221121120021094² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033647544 + ... + 1033861444.

It is an arithmetic number, because the mean of its divisors is an integer number (20732625680130).

Almost surely, 2^{221121120021094} is an apocalyptic number.

221121120021094 is a deficient number, since it is larger than the sum of its proper divisors (110600890860986).

221121120021094 is a wasteful number, since it uses less digits than its factorization.

221121120021094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274335.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 221121120021094 in words is "two hundred twenty-one trillion, one hundred twenty-one billion, one hundred twenty million, twenty-one thousand, ninety-four".